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EP 1 641 473 A1

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(43) Date of publication: 05.04.2006 Bulletin 2006/14 (21) Application number: 04756080.0 (22) Date of filing: 24.06.2004

(51) International Patent Classification (IPC):  A61K 33/26(1985.01) A61M 1/16(1985.01) A61M 1/28(1985.01) A61P 13/12(2000.01) (86) International application number: PCT/US2004/020383 (87) International publication number: WO 2005/002599 (13.01.2005 Gazette 2005/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 24.06.2003 US 606150 (71) Applicant: Advanced Renal Technologies Bellevue, WA 98005 (US)	(72) Inventors: CALLAN, Robin Bellevue, Washington 98004 (US) VAN SCHALKWIJK, Walter, A. Issaquah, Washington 98027 (US) COLE, James, J. Arlington, Washington 98223 (US) AHMAD, Suhail Seattle, Washington 98115 (US) (74) Representative: Gowshall, Jonathan Vallance  FORRESTER & BOEHMERT Pettenkoferstrasse 20-22 80336 München 80336 München (DE)